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[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [arch/] [sh/] [drivers/] [pci/] [ops-landisk.c] - Rev 3
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/* * arch/sh/drivers/pci/ops-landisk.c * * PCI initialization for the I-O DATA Device, Inc. LANDISK board * * Copyright (C) 2006 kogiidena * * May be copied or modified under the terms of the GNU General Public * License. See linux/COPYING for more information. */ #include <linux/kernel.h> #include <linux/types.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/pci.h> #include "pci-sh4.h" static struct resource sh7751_io_resource = { .name = "SH7751 IO", .start = SH7751_PCI_IO_BASE, .end = SH7751_PCI_IO_BASE + SH7751_PCI_IO_SIZE - 1, .flags = IORESOURCE_IO }; static struct resource sh7751_mem_resource = { .name = "SH7751 mem", .start = SH7751_PCI_MEMORY_BASE, .end = SH7751_PCI_MEMORY_BASE + SH7751_PCI_MEM_SIZE - 1, .flags = IORESOURCE_MEM }; struct pci_channel board_pci_channels[] = { {&sh4_pci_ops, &sh7751_io_resource, &sh7751_mem_resource, 0, 0x3ff}, {NULL, NULL, NULL, 0, 0}, }; static struct sh4_pci_address_map sh7751_pci_map = { .window0 = { .base = SH7751_CS3_BASE_ADDR, .size = (64 << 20), /* 64MB */ }, .flags = SH4_PCIC_NO_RESET, }; int __init pcibios_init_platform(void) { return sh7751_pcic_init(&sh7751_pci_map); } int pcibios_map_platform_irq(struct pci_dev *pdev, u8 slot, u8 pin) { /* * slot0: pin1-4 = irq5,6,7,8 * slot1: pin1-4 = irq6,7,8,5 * slot2: pin1-4 = irq7,8,5,6 * slot3: pin1-4 = irq8,5,6,7 */ int irq = ((slot + pin - 1) & 0x3) + 5; if ((slot | (pin - 1)) > 0x3) { printk("PCI: Bad IRQ mapping request for slot %d pin %c\n", slot, pin - 1 + 'A'); return -1; } return irq; }